Presidium

Gem Tester

The Presidium Gem Tester / Color Stone Estimator provides a quick, easy, laboratory proven way to identify diamond and separate the most popular colored gem stones from one another. This valuable tool can eliminate human error when identifying precious gems. The Presidium Gem Testers accurate performance is based on the fact that different gem stones conduct heat at different rates. Simply touched the Gem Testers sophisticated thermoelectric probe to ther surface of any mounted or loose stone and the specially calibrated dial will show you the relative heat conductivity of the material.

The Presidium Duo-Tester is the only tool on the market that provides the user with two proven tests for diamonds and the ability to differentiate between similarly colored gemstones. The easy-to-read dial of the DUOTESTER is calibrated to indicate the differences in thermal conductivity of the most popular gemstones and simulants.

Gem Tester - Features

• Easy and quick identification of gem stones.
• Identification is based on gem stones conducting heat.
• Easy to operate.
• Two test discs mounted frame.
• No warm up time required between tests.
• Built in metal detector.
• Duo tester with reflectivity Meter.